//
//  BankAcount.h
//  KVO
//
//  Created by gzjd on 2017/5/7.
//  Copyright © 2017年 gzjd. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface BankAcount : NSObject{
    float _openingBalance;
    float _test;
}
-(void)balanceUpdate:(id)arg;
@property (nonatomic,assign)float openingBalance;

@end
